EP 3951951 A4 20230426 - POLYIMIDE-BASED BINDER FOR ELECTRICITY STORAGE DEVICES, ELECTRODE MIXTURE PASTE, NEGATIVE ELECTRODE ACTIVE MATERIAL LAYER, NEGATIVE ELECTRODE SHEET FOR ELECTRICITY STORAGE DEVICES, AND ELECTRICITY STORAGE DEVICE
Title (en)
POLYIMIDE-BASED BINDER FOR ELECTRICITY STORAGE DEVICES, ELECTRODE MIXTURE PASTE, NEGATIVE ELECTRODE ACTIVE MATERIAL LAYER, NEGATIVE ELECTRODE SHEET FOR ELECTRICITY STORAGE DEVICES, AND ELECTRICITY STORAGE DEVICE
Title (de)
BINDEMITTEL AUF POLYIMIDBASIS FÜR ELEKTRIZITÄTSSPEICHERVORRICHTUNGEN, ELEKTRODENGEMISCHPASTE, NEGATIVELEKTRODENAKTIVMATERIALSCHICHT, NEGATIVELEKTRODENBLECH FÜR ELEKTRIZITÄTSSPEICHERVORRICHTUNGEN UND ELEKTRIZITÄTSSPEICHERVORRICHTUNG
Title (fr)
LIANT À BASE DE POLYIMIDE POUR DISPOSITIFS DE STOCKAGE D'ÉLECTRICITÉ, PÂTE DE MÉLANGE D'ÉLECTRODE, COUCHE DE MATÉRIAU ACTIF D'ÉLECTRODE NÉGATIVE, FEUILLE D'ÉLECTRODE NÉGATIVE POUR DISPOSITIFS DE STOCKAGE D'ÉLECTRICITÉ, ET DISPOSITIF DE STOCKAGE D'ÉLECTRICITÉ
Publication
Application
Priority
- JP 2019060045 A 20190327
- JP 2020013886 W 20200327
Abstract (en)
[origin: EP3951951A1] Disclosed is a polyimide-based binder for power storage device having a repeated breaking energy retention ratio of 70% or more. The use of the binder enables to improve characteristics of a power storage device having high capacity.
IPC 8 full level
H01M 4/62 (2006.01); C08G 73/10 (2006.01); C08L 79/08 (2006.01); H01M 4/04 (2006.01); H01M 4/134 (2010.01); H01M 4/1395 (2010.01); H01M 10/0525 (2010.01)
CPC (source: EP KR US)
C08G 73/10 (2013.01 - KR); C08G 73/1007 (2013.01 - EP); C08G 73/1032 (2013.01 - US); C08G 73/1042 (2013.01 - US); C08G 73/1046 (2013.01 - EP); C08G 73/1067 (2013.01 - EP); C08G 73/1071 (2013.01 - US); C08G 73/1082 (2013.01 - EP US); C08L 79/08 (2013.01 - KR); C09J 179/08 (2013.01 - EP); H01M 4/0404 (2013.01 - EP); H01M 4/13 (2013.01 - KR); H01M 4/133 (2013.01 - EP); H01M 4/134 (2013.01 - EP); H01M 4/1395 (2013.01 - EP); H01M 4/364 (2013.01 - EP); H01M 4/386 (2013.01 - EP); H01M 4/587 (2013.01 - EP); H01M 4/622 (2013.01 - EP KR US); H01M 10/0525 (2013.01 - EP); H01M 2004/027 (2013.01 - KR US); Y02E 60/10 (2013.01 - EP)
Citation (search report)
- [X] US 2012168688 A1 20120705 - NAKAYAMA TAKESHIGE [JP], et al
- [X] US 2016233513 A1 20160811 - ABE KOJI [JP], et al
- [X] US 2011305951 A1 20111215 - HIRANO TETSUJI [JP], et al
- See references of WO 2020196805A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 3951951 A1 20220209; EP 3951951 A4 20230426; CN 113841271 A 20211224; JP 2023155344 A 20231020; JP WO2020196805 A1 20201001; KR 20210143268 A 20211126; TW 202041642 A 20201116; US 2022166025 A1 20220526; WO 2020196805 A1 20201001
DOCDB simple family (application)
EP 20776914 A 20200327; CN 202080036794 A 20200327; JP 2020013886 W 20200327; JP 2021509622 A 20200327; JP 2023138648 A 20230829; KR 20217034287 A 20200327; TW 109110695 A 20200327; US 202017593595 A 20200327